题目

Complete the following passage by filling in each blank with ONE word that best fits the context. With the widespread use of the computer, many middle school and primary school students can type very fast. ____, their handwriting is becoming worse ____ before. Wrongly written characters and untidy writing are the common problems. The biggest problem is    they don’t think it is necessary to practice handwriting any more since typing can take the place of     . To me, I always prefer handwriting _____ typing. I think handwriting is ______ better way to express my feeling. ___, Chinese c小东同学在实验室里要制取6.8克氯化锌，请问他需要用多少克锌与足量稀盐酸反应？同时可生成氢气的质量是多少？